Tornado Insider Hose Assembly 20 ft 400 PSI 1506WDSI-T

Genuine Tornado OEM Insider hose assembly, 20 feet, rated to 400 p.s.i. (part# 1506WDSI-T). The Insider design routes the solution line inside the vacuum hose rather than strapping it to the outside, which leaves one smooth outer hose with nothing on it to catch. At 400 p.s.i. it is also the high-pressure hose in the Tornado range, four times the rating of the standard 100 p.s.i. assembly.

What putting the solution line inside actually changes

An externally strapped solution line is the part that snags on a chair leg, gets pinched in a doorway and wears through where the straps sit. Running it inside the vacuum hose removes all of that: the outer surface is a plain hose, it slides past furniture instead of hooking on it, and the solution line is protected from abrasion and from being stood on. It also coils flat at the end of a shift rather than fighting itself.

The 400 p.s.i. rating is the reason to choose it

If you are running high-pressure tools — a 400 p.s.i. detail tool, a 500 p.s.i. stair tool or upholstery tool, or an 800 p.s.i. stair tool — the standard 100 p.s.i. hose assembly is the weak link, and it will fail at the hose rather than at the tool. This assembly is rated to 400 p.s.i., which is what makes those tools usable. Confirm your pump output against both the hose and the tool, since the lowest-rated component in the chain sets your working limit.

When to replace it

Replace it if the outer hose is split or worn through, if there is a permanent kink, if a cuff has worked loose, or if the solution line weeps — which on an Insider hose shows up as moisture at a cuff rather than a visible drip along the run, because the line is enclosed. That enclosure protects the solution line, but it also means you will not spot a leak mid-hose by eye, so check the cuff ends.

Compatible Models

• Tornado 98166 20″ Marathon 800 (8 Gallon, 115V)
• Tornado 98168 20″ Marathon 1200 (12 Gallon, 115V)
• Tornado 98190 22″ Marathon 2000 (20 Gallon)

Not sure if this fits your machine? Call us at 763-535-0770 with your model and serial number and we will confirm compatibility before you order.

Twin City Vacuum has been selling and servicing Tornado equipment since 1956. Browse the rest of the Tornado 98166 accessories and consumables, or see the current range at tornadovac.com.

Frequently Asked Questions

What does “Insider” mean on the hose assembly (part# 1506WDSI-T)?

The solution line runs inside the vacuum hose instead of being strapped to the outside. That leaves a smooth outer hose with nothing to snag on furniture, and it protects the solution line from abrasion and from being stood on.

Why would I pay more for the 400 p.s.i. Insider hose?

Because it is what makes high-pressure tools usable. Behind a 400 p.s.i. detail tool or a 500 or 800 p.s.i. stair tool, a standard 100 p.s.i. hose is the weak link and it fails at the hose. The lowest-rated component in the chain sets your working pressure.

How do I spot a leak on an Insider hose?

Look at the cuff ends. Because the solution line is enclosed, a leak shows up as moisture at a cuff rather than as a drip along the run, so you will not catch it mid-hose by eye the way you would on an externally strapped line.

How do I order the 20-foot Insider hose assembly (part# 1506WDSI-T) or get help?

You can add the 20-foot Insider hose assembly (part# 1506WDSI-T) directly to your cart on this page, or call us at 763-535-0770. Our staff at 5415 West Broadway, Crystal, MN 55428 has been servicing floor-care equipment since 1956 and can help confirm the right part for your machine.

Questions? Call us at 763-535-0770 or visit us at 5415 West Broadway, Crystal, MN 55428.